| |||
| test target | |||
| optical target; optical test target; target; test chart | |||
| test item | |||
| resolution target; test target (s.a. test reticle) | |||
| test graticule (for lens testing); test chart (for lens testing); test object (for lens testing); test target; line target; resolving-power test target; test pattern; star target | |||
| object under measurement; object under test | |||
| test object | |||
|
Testobjekt : 6 phrases in 2 subjects |
| Cultural studies | 1 |
| Optics branch of physics | 5 |